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How much of an alloy that is 40 copper should be mixed with 500 ounces of an alloy that is 70 copper in order to get an alloy that is 50 copper?
Let ( x ) be the amount of the 40% copper alloy needed. The equation based on the copper content is: [ 0.40x + 0.70(500) = 0.50(x + 500) ] Solving this equation, we find: [ 0.40x + 350 = 0.50x + 250 ] [ 100 = 0.10x ] [ x = 1000 ] Thus, you need to mix 1000 ounces of the 40% copper alloy with 500 ounces of the 70% copper alloy to obtain an alloy that is 50% copper.
Why can you use phytomining when it would be too expensive to extract metals in other ways?
I had this question set too. I wasn't sure but I think it's because it is a natural way of extracting metals because the plants naturally absorb the chemicals from the ground. Also because the technology used to create the metals are simple to use.
Why will using so much copper be a problem in the future?
Using excessive amounts of copper can lead to environmental issues such as water contamination and habitat destruction due to mining activities. Additionally, copper is a finite resource, so if consumption continues at a high rate, it may eventually become scarce and expensive to obtain. Lastly, copper production and usage contribute to greenhouse gas emissions, exacerbating climate change.
Why does a plant need to plant glucose's?
To obtain its energy.
What supplies would you need to make an electromagnet?
You need an iron bar, some copper wire and a battery.
What are the advantages of Phytomining?
Phytomining is a potentially sustainable and environmentally friendly method of extracting metals from low-grade ores and contaminated soils. It can help to remediate polluted sites by absorbing heavy metals, reducing the need for traditional mining and its associated environmental disturbances. Additionally, phytomining has the potential to be a cost-effective and energy-efficient way to recover valuable metals.
What are the advantages and disadvantages of phytomining?
The advantage of phytomining is that it saves using high grade ores. However the disadvantage is that this is a long process.
Why you need phytomining?
Phytomining is a sustainable method for extracting metals from contaminated soils and waste materials using plants. It offers an environmentally friendly alternative to traditional mining, reducing the ecological impact and energy consumption associated with conventional extraction methods. Additionally, phytomining can help rehabilitate degraded land, improve soil quality, and recover valuable metals, contributing to a circular economy and resource conservation. By utilizing natural processes, phytomining also promotes biodiversity and supports ecosystem health.
How many kilograms of chalcopyrite must be mined to obtain 420. g of pure Cu?
In chalcopyrite, the typical copper content is around 34.5%. To obtain 420 g of pure copper, you would need to mine around 1217 g of chalcopyrite. This is calculated by dividing 420 g by 0.345 (the percentage of copper in chalcopyrite).
How might this affect the ability of animals to obtain the energy they need to live?
There are many things that could affect the ability of animals to obtain the energy they need to live. Having water is a good start.
How many grams of copper(II) sulfate pentahydrate would you need to measure in order to have 10.0 grams of anhydrous copper (II) sulfate?
To calculate this, you would need to consider the molar masses of copper(II) sulfate pentahydrate and anhydrous copper(II) sulfate. Copper(II) sulfate pentahydrate has a molar mass that includes water molecules, so you need to determine the molar mass difference between the two compounds. Using this information, you can calculate the amount of copper(II) sulfate pentahydrate needed to obtain 10.0 grams of anhydrous copper(II) sulfate.
What do you do after you get to the Battle Frontier in Pokemon Platinum?
You have to obtain the national pokedex. ( If you used cheats like capture trainer's Pokemon you might need to obtain some Pokemon.) If your wondering what to do after that, you need to travel to the other areas. Then go to stark mountain. You need to exit and stay out of stark mountain-for a while if you want to obtain heatran. By the way there are some team galactic guys there so you might want to bring good Pokemon with you.
What else do you need apart from oxygen to make CuCO3?
Copper and carbon along with oxygen make up copper(II) carbonate. However you cannot make it simply by mixing them together. A possible pathway might be to get to sodium carbonate perhaps CO2 + NaOH might be the way and then make some copper sulfate by reacting it with H2SO4, mix your sodium carbonate solution with copper sulfate solution and copper carbonate should precipitate out.
How many prior 1981 us pennies does it take to make 100.00 worth of copper?
Prior to 1982, U.S. pennies were made of 95% copper. Each penny weighs 3.11 grams, so 100 pennies weigh about 311 grams. To obtain $100 worth of copper, you would need approximately 1,750 pre-1982 pennies, as the copper value is based on the current market price of copper.
How much of an alloy that is 40 copper should be mixed with 500 ounces of an alloy that is 70 copper in order to get an alloy that is 50 copper?
Let ( x ) be the amount of the 40% copper alloy needed. The equation based on the copper content is: [ 0.40x + 0.70(500) = 0.50(x + 500) ] Solving this equation, we find: [ 0.40x + 350 = 0.50x + 250 ] [ 100 = 0.10x ] [ x = 1000 ] Thus, you need to mix 1000 ounces of the 40% copper alloy with 500 ounces of the 70% copper alloy to obtain an alloy that is 50% copper.
What influence do copper mines have on environment and humans?
Employees which are hired to work at the copper mines need transportation, which increases Carbon Dioxide, to find decent locations which supply copper. Money is also spent on equipment to carefully obtain the copper, and the equipment also needs transportation. This is a one of the causes of global warming, and this affects Human's as sea levels rise, causing flooding in areas etc..
Do you need to be careful when using copper?
The question suffers from a lack of specifics. Do you need to be careful when using copper in what capacity? Handling copper at STP is typically safe.
